Compare Huawei FreeBuds 4i vs Microsoft Surface Earbuds
Connectivity
Ports
USB-C
USB-C
Wireless Connectivity
Bluetooth 5.2
Bluetooth 4.1/4.2
Construction
Battery | Capacity
55 mAh Earbud + 215 mAh Charging Case
Colors
Red, Ceramic White, Carbon Black
Glacier
Drivers
10 mm dynamic
13.6 mm
Headphone Type
In-ear
Microphone
Yes
Two microphones per earbud
Dimensions
Size | Depth
23.9 mm
19.9 mm
Size | Diameter
25 mm
Size | Height
37.5 mm
Size | Width
21 mm
Weight
5.5 g
7.2 g each
Function
Bluetooth Codecs
SBC, aptX
Fast Charging
10 minutes for 4 hours of playback
Noise Cancellation
Active
Operating System
Windows 10, Android 4.4, iOS 9
Sensor
Wear detection sensor
Weather Resistance
IPX4
Performance
Battery Life
7.5h ANC off / 10h ANC off / 22h w/ charging case
8 h + two charges = 24 h
Charging Time
10-minute charge provides up to one hour of battery life
Frequency Response
20 Hz – 20 kHz
Production
Debut
2021
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